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Finding the Fourth Proportional to 234,280.53, 351,417.69 and 56,789.15

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Solution

The fourth proportional to 234,280.53, 351,417.69 and 56,789.15 is: 85,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,280.53 : 351,417.69 = 56,789.15 : x
  2. Step 2: Convert to fraction form
    234,280.53/351,417.69 = 56,789.15/x
  3. Step 3: Cross multiply
    234,280.53x = 351,417.69 × 56,789.15
  4. Step 4: Simplify right side
    234,280.53x = 19,956,710,152.98
  5. Step 5: Solve for x
    x = 19,956,710,152.98/234,280.53
  6. Step 6: Final answer
    x = 85,182.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.